CT Scan Computerized Tomography’ (CT) (or Computerized Axial Tomography (CAT) scan); An X-ray procedure that combines many X-ray images with the aid of a computer to generate much more detailed images of the inside of the body. Related Articles: Glossary: CAT ScanMetforminEpisode 20: Diabetes and Cardiovascular DiseaseEpisode 32: Diabetes, Pancreatitis & Pancreatic Cancer